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Finding the Fourth Proportional to 525,748.80, 788,623.20 and 464,923.20

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Solution

The fourth proportional to 525,748.80, 788,623.20 and 464,923.20 is: 697,384.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,748.80 : 788,623.20 = 464,923.20 : x
  2. Step 2: Convert to fraction form
    525,748.80/788,623.20 = 464,923.20/x
  3. Step 3: Cross multiply
    525,748.80x = 788,623.20 × 464,923.20
  4. Step 4: Simplify right side
    525,748.80x = 366,649,221,738.24
  5. Step 5: Solve for x
    x = 366,649,221,738.24/525,748.80
  6. Step 6: Final answer
    x = 697,384.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.